package chapter03.example05;
class Student{
    public Student(){
        System.out.println("调用了无参构造方法");
    }
}
public class Example05 {
    public static void main(String[] args) {
        System.out.println("声明对象....");
        Student stu=null;
        System.out.println("实例化对象.....");
        stu=new Student();
    }
}
